2.5 Inch (64 mm) Square, Flame Retardant, Voice Range Speaker

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The EEN22C-4FR is ideal for your aerospace applications. This speaker uses a neodymium magnet for high-energy and light-weight power. MISCO pairs this with a flame-retardant paper cone and cloth surround to make a speaker with a smooth frequency response for both wide and voice range sound. A set of polarized terminals make this speaker simple to hook up to your audio systems. If you are looking for a versatile aerospace speaker, choose the EEN22C-4FR.

  • Wide range speaker
  • 2.5 inch (64 mm) basket diameter
  • 15 watts, 4 ohms, 90 dB SPL
  • 0.8" copper voice coil, Kapton former
  • Neodymium magnet, stamped steel frame
  • Flame retardant paper cone
  • Flame retardant cloth surround

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More Information
Brand Name MISCO OEM
Speaker Type Wide Range
Shape of Speaker Square
Size, Nominal (inch & mm) 2" (50 mm)
Environment Indoor
Application Aerospace, Drive-Thru / Kiosk, Voice Communications
RoHS Compliant Yes
Rated Impedance (Ω) 4
Rated Power IEC268-5 (W) 15 Watts
Program Power (W) 30
Sensitivity (dB SPL) ¹ 90
Frequency Range (Hz) 150 - 20,000
DC Resistance (Re) (Ω) 3.62
Resonant Frequency (Fs) (Hz) +/- 15% 209
Nominal Impedance (Z) (Ω) 4
Voice Coil Inductance (Le) (mH) 0
Mechanical Q Factor (Qms) 4.40
Electrical Q Factor (Qes) 0.68
Total Q Factor (Qts) 0.59
Basket Type Stamped steel with zinc plating
Terminal Size (mm) 2.79 x 0.5
Voice Coil Diameter (mm) 19.1
Voice Coil Wire Material Copper
Voice Coil Former Material Kapton
Magnet Material Neodymium
Magnet Weight (g) 23
Cone Body Material Flame retardant paper
Cone Surround Material Flame retardant cloth
Spider Material Flame retardant cloth
Dust Cap Material Flame retardant paper
Net Weight (kg) 0.11
Technical Notes

Sensitivity is measured with 2.83 volt input, measured on-axis at 1 meter distance